Cita APA

Trathan, P. N., Garcia Borboroglu, J. P., Boersma, P. D., Bost, C. A., Crawford, R. J. M., Crossin, G. T., . . . Wienecke, B. (2014). Pollution, habitat loss, fishing and climate change as critical threats to penguins. Web

Citación estilo Chicago

Trathan, Phil N., et al. Pollution, Habitat Loss, Fishing and Climate Change As Critical Threats to Penguins. 2014.

Cita MLA

Trathan, Phil N., et al. Pollution, Habitat Loss, Fishing and Climate Change As Critical Threats to Penguins. 2014.